Drei Probleme der Risikobewertung bei öffentlichen Investitionen werden behandelt. Erstes Thema ist die Frage nach der richtigen Diskontrate bei unsicherem Wirtschaftswachstum. Zentrales Ergebnis ist, dass die übliche Ramsey-Gleichung bei Unsicherheit keine Gültigkeit mehr hat und einer...

We empirically investigate the distributional consequences of the Riester scheme, the main private pension subsidization program in Germany. We find that 38% of the aggregate subsidy accrues to the top two deciles of the population, but only 7.3% to the bottom two. Nonetheless the Riester scheme...

Die Regierung eines Landes kann sich zum risikolosen Zins verschulden und in den Weltaktienmarkt investieren. Die Aktienerträge werden an die Bürger des Landes in Form einer sozialen Dividende weitergegeben. Welche Effekte hat diese Politik auf die Wohlfahrt der Bürger?

An unduly neglected implication of the choice of the tax unit is its impact on the consumption risk carried by taxpayers. As compared to individual taxation, joint taxation with income splitting provides couples with more insurance against the risk of earning inability for one of the spouses. If...

We calculate the expected distributional effects of the European Emissions Trading System combining industry and household-level data. By combining data on direct CO2 emissions by production sector from the German Environmental Account with the German Input-Output Accounts, we calculate the CO2...

The life-cycle hypothesis implies that consumption would not decline at retirement. However, several studies found relevant declines in food consumption after retirement for the United States. Others concluded that this contradiction of the life-cycle hypothesis is solved by allowing for broader...

In view of rising wage and income inequality, the introduction of a legal minimum wage has recently become an important policy issue in Germany. We analyze the distributional effects of a nationwide legal minimum wage of 7.50 € per hour on the basis of a microsimulation model which accounts...

We analyze the impact of changing employment patterns and pension reforms on the future level of public pensions across birth cohorts in Germany. The analysis is based on a rich dataset that combines household survey data from the German Socio-Economic Panel Study (SOEP) and process-produced...

Die Konsolidierung der Staatsfinanzen nach der gegenwärtigen Finanz- und Wirtschaftskrise wird eines der zentralen wirtschaftspolitischen Themen der nächsten Jahre sein: Die Regelungen zur 'Schuldenbremse' sehen für den Bundeshaushalt bis 2016 einen annähernd ausgeglichenen Haushalt vor, und...

We analyze the labor supply and income effects of a needs-based minimum benefit system ('Bedarfsorientierte Mindestsicherung') to be introduced in Austria by the end of this/beginning of next year. The aim of this reform is to reduce poverty as well as increasing employment rates of recipients...